diff --git a/system-config-printer.spec b/system-config-printer.spec
index c56804e..9d8a41d 100644
--- a/system-config-printer.spec
+++ b/system-config-printer.spec
@@ -2,7 +2,7 @@
 
 Name:          system-config-printer
 Version:       1.5.11
-Release:       1mamba
+Release:       2mamba
 Summary:       Helper functions and classes for using CUPS
 Group:         System/Libraries/Python
 Vendor:        openmamba
@@ -33,11 +33,11 @@ Obsoletes:     python-cupshelpers
 Requires:      desktop-file-utils
 Requires:      python-pynotify
 Requires:      python-smbc
-Requires:      python-cups-py3
-Requires:      python-requests-py3
-Requires:      pygobject-py3
-Requires:      python-dbus-py3
-Requires:      py3cairo
+Requires:      python-cups-py36
+Requires:      python-requests-py36
+Requires:      pygobject-py36
+Requires:      python-dbus-py36
+Requires:      pycairo-py36
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -52,7 +52,9 @@ The purpose of the tool is to configure a CUPS server (often the local machine)
 
 %build
 %configure \
-   --with-udev-rules
+   --with-udev-rules \
+   PYTHON=%{__python36}
+
 %make
 
 %install
@@ -84,12 +86,15 @@ The purpose of the tool is to configure a CUPS server (often the local machine)
 %{_datadir}/applications/system-config-printer.desktop
 %dir %{_datadir}/system-config-printer
 %{_datadir}/system-config-printer/*
-%{python3_sitelib}/cupshelpers/*
-%{python3_sitelib}/cupshelpers-1.0-py*.egg-info
+%{python36_sitelib}/cupshelpers/*
+%{python36_sitelib}/cupshelpers-1.0-py*.egg-info
 %{_mandir}/man1/system-config-printer.1*
 %{_mandir}/man1/system-config-printer-applet.1*
 
 %changelog
+* Fri Mar 01 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.11-2mamba
+- rebuilt with python 3.6
+
 * Wed Mar 21 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.11-1mamba
 - update to 1.5.11